diff options
Diffstat (limited to 'mkfs.c')
| -rw-r--r-- | mkfs.c | 13 |
1 files changed, 11 insertions, 2 deletions
@@ -337,6 +337,7 @@ static void print_usage(void) fprintf(stderr, "\t -r --rootdir the source directory\n"); fprintf(stderr, "\t -K --nodiscard do not perform whole device TRIM\n"); fprintf(stderr, "\t -V --version print the mkfs.btrfs version and exit\n"); + fprintf(stderr, "\t -x --skinny-extents use the new skinny extent disk format"); fprintf(stderr, "%s\n", BTRFS_BUILD_VERSION); exit(1); } @@ -397,6 +398,7 @@ static struct option long_options[] = { { "version", 0, NULL, 'V' }, { "rootdir", 1, NULL, 'r' }, { "nodiscard", 0, NULL, 'K' }, + { "skinny-extents", 0, NULL, 'x'}, { 0, 0, 0, 0} }; @@ -1289,6 +1291,7 @@ int main(int ac, char **av) int nodiscard = 0; int ssd = 0; int force_overwrite = 0; + int skinny_meta_extents = 0; char *source_dir = NULL; int source_dir_set = 0; @@ -1304,8 +1307,8 @@ int main(int ac, char **av) while(1) { int c; - c = getopt_long(ac, av, "A:b:fl:n:s:m:d:L:r:VMK", long_options, - &option_index); + c = getopt_long(ac, av, "A:b:fl:n:s:m:d:L:r:VMKx", + long_options, &option_index); if (c < 0) break; switch(c) { @@ -1356,6 +1359,9 @@ int main(int ac, char **av) case 'K': nodiscard=1; break; + case 'x': + skinny_meta_extents = 1; + break; default: print_usage(); } @@ -1533,6 +1539,9 @@ raid_groups: if (mixed) flags |= BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS; + if (skinny_meta_extents) + flags |= BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA; + btrfs_set_super_incompat_flags(super, flags); if ((data_profile | metadata_profile) & |